Lipotropic injections, also known as lipo shots or lipo injections are supplements used by many to support and maintain weight loss, especially for burning fat. Lipotropic injections contain vitamins, minerals, and amino acids that work together within the body, helping to support and maintain the elimination of those stubborn pounds, while boosting energy. Lipotropic injections most often contain vitamin B12, as it helps support the "breakdown of fatty acids and amino acids to produce energy